1361222033 has 2 divisors, whose sum is σ = 1361222034. Its totient is φ = 1361222032.

The previous prime is 1361221957. The next prime is 1361222063. The reversal of 1361222033 is 3302221631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1352179984 + 9042049 = 36772^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361222033 - 2⁸ = 1361221777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361222063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680611016 + 680611017.

It is an arithmetic number, because the mean of its divisors is an integer number (680611017).

Almost surely, 2^1361222033 is an apocalyptic number.

It is an amenable number.

1361222033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361222033 is an equidigital number, since it uses as much as digits as its factorization.

1361222033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1361222033 is about 36894.7426200536. The cubic root of 1361222033 is about 1108.2633973597.

Adding to 1361222033 its reverse (3302221631), we get a palindrome (4663443664).

The spelling of 1361222033 in words is "one billion, three hundred sixty-one million, two hundred twenty-two thousand, thirty-three".